| 年份 | 进口原油量与原油可供量的比率(%) |
|---|---|
| 1980 | 0.40 |
| 1981 | 0.08 |
| 1982 | 0.74 |
| 1983 | 0.41 |
| 1984 | 0.27 |
| 1985 | 0.00 |
| 1986 | 0.45 |
| 1987 | 0.00 |
| 1988 | 0.76 |
| 1989 | 2.81 |
| 1990 | 2.48 |
| 1991 | 4.83 |
| 1992 | 8.63 |
| 1993 | 11.21 |
| 1994 | 8.82 |
| 1995 | 11.55 |
| 1996 | 14.21 |
| 1997 | 20.27 |
| 1998 | 15.78 |
| 1999 | 19.32 |
| 2000 | 32.86 |
| 2001 | 27.98 |
| 2002 | 30.48 |
| 2003 | 36.14 |
| 2004 | 42.30 |
| 2005 | 42.15 |
| 2006 | 45.02 |
| 2007 | 47.94 |
| 2008 | 50.39 |
| 2009 | 53.41 |
| 2010 | 55.43 |
| 2011 | 57.73 |
| 2012 | 58.05 |
| 2013 | 57.89 |
| 2014 | 59.60 |
| 2015 | 61.45 |
| 2016 | 66.46 |
| 2017 | 69.95 |
| 2018 | 72.34 |
| 2019 | 74.36 |
| 2020 | 77.46 |
| 2021 | 70.93 |
| 2022 | 72.55 |